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CVE-2019-11745

HIGH
8.8
CVSS Score
Published: January 8, 2020 at 07:22 PM UTC
Updated: June 17, 2026 at 02:13 AM UTC
23 products affected across 6 vendorsDebian LinuxUbuntu LinuxFirefox

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Severity
HIGH8.8
Exploit prediction
EPSS 3%

Description

When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
16.0418.0419.10
Debian Linux· Debiandrupal
95%
9.0
Firefox· Mozilla
95%
v < 71v < 71.0
Affected range stops below 71, so it looks safe — our inference, not a vendor statement
Affected range stops below 71.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
95%
v < 68.3
Affected range stops below 68.3, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 68.3v < 68.3.0
Affected range stops below 68.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 68.3.0, so it looks safe — our inference, not a vendor statement
Leap· openSUSEdrupal
95%
15.1
Enterprise Linux Server Aus· Red Hatrubygems
95%
6.6
RUGGEDCOM Rox MX5000 Firmware· Siemens
95%
v < 2.14.0
Affected range stops below 2.14.0, so it looks safe — our inference, not a vendor statement
RUGGEDCOM Rox RX1400 Firmware· Siemens
95%
v < 2.14.0
Affected range stops below 2.14.0, so it looks safe — our inference, not a vendor statement
RUGGEDCOM Rox RX1500 Firmware· Siemens
95%
v < 2.14.0
Affected range stops below 2.14.0, so it looks safe — our inference, not a vendor statement

References (17)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
Vendor Advisoryx_refsource_SUSEIssue TrackingMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2020:0243
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2020:0466
x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1586176
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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