Gcc vulnerabilitiesRanked by how likely they are to be used.

Product128 versions
The short answer

Gcc is made by Gnu. We track 14 published vulnerabilities in it, across 128 versions. None of them is on the list of flaws known to be exploited today. If you run Gcc, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Gcc vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Gcc's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Gcc flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 3.2%

    The POWER9 backend in GNU Compiler Collection (GCC) before version 10 could optimize multiple calls of the __builtin_darn intrinsic into a single call, thus reducing the entropy of the random number generator.

    CVSS7.5Published2 Sep 2019
  2. 2.9%

    The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking sources, which makes it easier for context-dependent attackers to...

    CVSS5.0Published17 Nov 2015
  3. 2.8%

    gcc 4.3.x does not generate a cld instruction while compiling functions used for string manipulation such as memcpy and memmove on x86 and i386, which can prevent the direction flag (DF) from being reset in violation...

    CVSS7.5Published17 Mar 2008
  4. 2.7%

    stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c in GNU Compiler Collection (GCC) 4.1 through 8 (under certain circumstances) generate instruction sequences when targeting ARM targets...

    CVSS8.1Published22 May 2019
  5. 1.5%

    Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

    CVSS6.5Published1 Sep 2022
  6. 1.4%

    The -ftrapv compiler option in gcc and g++ 3.3.3 and earlier does not handle all types of integer overflows, which may leave applications vulnerable to vulnerabilities related to overflows.

    CVSS7.5Published1 Nov 2000
  7. 1.3%

    gcc 4.2.0 through 4.3.0 in GNU Compiler Collection, when casts are not used, considers the sum of a pointer and an int to be greater than or equal to the pointer, which might lead to removal of length testing code...

    CVSS6.8Published6 Apr 2008
  8. 1.0%

    **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your application...

    CVSS4.8Published13 Sep 2023
  9. 1.0%

    libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.

    CVSS5.5Published26 Mar 2022
  10. 0.9%

    GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.

    CVSS7.8Published18 Nov 2021
EdgeProtect

Running Gcc? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

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We track 14 published vulnerabilities listed under the name Gcc, across 128 versions.

None of Gcc's vulnerabilities is on the list of flaws known to be exploited today.

Create a EdgeProtect account and track Gcc. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.